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Finding the Fourth Proportional to 207,596.31, 286,504.07 and 127,077.05

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Solution

The fourth proportional to 207,596.31, 286,504.07 and 127,077.05 is: 175,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,596.31 : 286,504.07 = 127,077.05 : x
  2. Step 2: Convert to fraction form
    207,596.31/286,504.07 = 127,077.05/x
  3. Step 3: Cross multiply
    207,596.31x = 286,504.07 × 127,077.05
  4. Step 4: Simplify right side
    207,596.31x = 36,408,092,028.59
  5. Step 5: Solve for x
    x = 36,408,092,028.59/207,596.31
  6. Step 6: Final answer
    x = 175,379.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.